Ningbo Baosi Energy Equipment Co., Ltd. was established in 2005.
The company is primarily engaged in the research & development,
production, and selling of the core part of the screw compressor as
well as the entire compressor. BAOSI is the leading manufacturer
and supplier of screw air ends and screw compressor. Leaning on
self-innovated core screw technology, the energy equipment industry
has steadily developed and the technology team at BAOSI has
continued to grow. The company has more than ten years experience
in the research and manufacturing of screw rotors and air ends. BY
2015, production capacity reached 100,000 machines per year, and in
April 2015, the company began to issue stocks on the Shenzhen Stock
Exchange. The stock code is 300441.

After going public, the company’s total market value has reached
over 10 billion RMB, with about 2,000 employees and 173,333㎡
factory and office area. Assets include nearly 100 units of
Japanese Mazak machining centers, nearly 100 sets of screw rotor
machines, 5 sets of German KAPP grinding machines, 3 sets of
British Holroyd grinding machines, etc. In regard to the protection
of intellectual property rights, the company has applied for 45
patents domestically and abroad, 27 of which have been authorized,
including 9 invention patents, 2 appearance design patents, and 16
utility model patents.